Java tutorial
/* * Copyright 2016 Sebastian Gil. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.create.databind; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import java.io.IOException; import java.math.BigDecimal; public class MoneySerializer extends JsonSerializer<BigDecimal> { private static final int CURRENCY_SCALE = 2; @Override public void serialize(BigDecimal value, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException { final String moneyValue = value.setScale(CURRENCY_SCALE, BigDecimal.ROUND_HALF_UP).toString(); jsonGenerator.writeString(moneyValue); } }